like a fiend

idiom
Updated on: 15 Nov 2017

Definition of like a fiend

chiefly US, informal
used to say that someone does a lot of something
  • She's been working like a fiend.
  • He smokes like a fiend.

Word by Word Definitions

fiend play
  1. : devil

  2. : demon

  3. : a person of great wickedness or maliciousness


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